What is the main advantage of geophysical methods in site investigations?
A. Provide direct soil samples
B. Involve simple manual labor
C. Cover large areas quickly and non-invasively
D. Only work for shallow depths
Answer: Option C
Solution (By Examveda Team)
Geophysical methods like seismic or resistivity surveys allow non-invasive, wide-area coverage for subsurface profiling, especially in preliminary investigations.This Question Belongs to Geological Engineering >> Site Investigation And Geotechnical Exploration
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